McCain: 'For God's Sake,' Can't the U.S. Help the Ukrainians Defend Themselves?

White House sources have indicated that the introduction of American arms into the conflict between the Ukraine and Russia could exacerbate tensions, but Arizona senator John McCain thinks differently: "For God's sake," he said on CBS's Face the Nation , "can't we help these people defend themselves? This is not an incursion, it's an invasion."

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